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Finding the Fourth Proportional to 7,798, 10,759.62 and 5,280.52

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Solution

The fourth proportional to 7,798, 10,759.62 and 5,280.52 is: 7,286.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,798 : 10,759.62 = 5,280.52 : x
  2. Step 2: Convert to fraction form
    7,798/10,759.62 = 5,280.52/x
  3. Step 3: Cross multiply
    7,798x = 10,759.62 × 5,280.52
  4. Step 4: Simplify right side
    7,798x = 56,816,388.60
  5. Step 5: Solve for x
    x = 56,816,388.60/7,798
  6. Step 6: Final answer
    x = 7,286.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.